small fix: support python 3.9 and 3.6 for DebugProxy
small fix: support python 3.9 and 3.6 for DebugProxy

BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH